P2021
Intake Manifold Runner Position Sensor Circuit Low (Bank 2)
OBD-II
Air intake
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P0068
MAP/MAF - Throttle Position Correlation
Air intakeMedium
P0069
MAP - Barometric Pressure Correlation
Air intakeMedium
P0100
Mass or Volume Air Flow Circuit
Air intakeMedium
P0101
Mass Air Flow Circuit Range/Performance
Air intakeMedium
P0102
Mass or Volume Air Flow Circuit Low
Air intakeMedium
P0103
Mass or Volume Air Flow Circuit High
Air intakeMedium
P0104
Mass or Volume Air Flow Circuit Intermittent
Air intakeMedium
P0105
Manifold Absolute Pressure/Barometric Pressure Circuit
Air intakeMedium
General reference only — what a code means can vary by make and model. Confirm with a qualified technician.